608: function get_dblink(p_instance_id in number) return varchar2 is
609: db_link varchar2(150) := '';
610: begin
611: select decode(DBLINK,null, '','@'||DBLINK) into db_link 612: from QPR_INSTANCES 613: where instance_id= p_instance_id;
614: return(db_link);
615: exception
616: when NO_DATA_FOUND then